Possibility to open a shared portfolio via Google Drive

[zlobober]

Is your feature request related to a problem? Please describe.
Not a problem, but rather a lack of support for the following scenario.

I created a family portfolio on my laptop, now want to make it accessible in read-only on my and my wife's mobile phone PP applications. Also, I am going to periodically update our portfolio from my laptop. The question is – what is the easiest way to organize an access from the PP mobile app to the freshly updated version of a portfolio file without the need to manually copy updated portfolio file to several mobile phones.

I thought Google Drive option would help me in that (i.e. I update the file in Drive in background, and phones retrieve an updated version), but it turns out that it only allows opening the files residing in your own Drive, but not shared files or shared folders. Therefore, this option does not help to distribute one portfolio to several users.

Describe the solution you'd like
I'd expect PP app be able to open files not only from the linked account's Drive, but also the shared files and directories.

Describe alternatives you've considered
I have not checked whether Dropbox or OneDrive would allow opening shared files, since I do not use these cloud storages.
I am considering deploying a WebDAV server to AWS cloud just in order to have some fun, but that's clearly not the most straightforward solution.

Additional context
I discovered PP several weeks ago, and I love it very much, kudos to authors and the community!